Don't forget that the DE only updates once a week. So even if there was a way to query this, your delete votes won't "exist" until the data refreshes.
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MysticialOct 10 '13 at 3:34

@Mysticial: that's ok. Right now, it's showing questions I voted to delete a year ago. I'm hoping that an improved query might help clear out many old "just one delete vote left" questions.
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John SaundersOct 10 '13 at 3:35

As it stands I can't think of any way to do this, except as Josh said to favorite everything because userId's are removed the the DataExplorer votes table.
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Bad WolfOct 10 '13 at 4:03

This is the same problem people run into trying to make data explorer queries for Sportsmanship - the data on voting, even your own, just isn't there.
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AakashMOct 10 '13 at 9:21

1 Answer
1

Authentication in the data explorer is decoupled from Stack Exchange, so there is never any data on SEDE that isn't publicly available on SE.

Delete votes are not public information. You cannot see other people's delete votes, any more than you can see their close votes, upvotes or downvotes. Close and delete votes are only made public after the post gets closed or deleted, and only by querying the post. So this information will not appear in SEDE.

If you want to filter out questions that you've already voted to delete, you'll have to use an external filter that authenticates to Stack Exchange. The logical method would be the API, however currently (as of version 2.1) there is no API to track votes. So you need to hit the site directly and do a bit of scraping.

Yes, sorting out questions warranting delete votes is a pain. I've just given up on them until a delete review queue comes along.